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Frederick MI, Nassef MZ, Borrelli MJ, Kuang S, Buensuceso A, More T, Cordes T, O'Donoghue P, Shepherd TG, Hiller K, Heinemann IU. Metabolic adaptation in epithelial ovarian cancer metastasis. Biochim Biophys Acta Mol Basis Dis 2024; 1870:167312. [PMID: 38901649 DOI: 10.1016/j.bbadis.2024.167312] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2024] [Revised: 05/30/2024] [Accepted: 06/13/2024] [Indexed: 06/22/2024]
Abstract
Epithelial ovarian cancer (EOC) is highly lethal due to its unique metastatic characteristics. EOC spheroids enter a non-proliferative state, with hypoxic cores and reduced oncogenic signaling, all of which contribute to tumour dormancy during metastasis. We investigated the metabolomic states of EOC cells progressing through the three steps to metastasis. Metabolomes of adherent, spheroid, and re-adherent cells were validated by isotopic metabolic flux analysis and mitochondrial functional assays to identify metabolic pathways that were previously unknown to promote EOC metastasis. Although spheroids were thought to exist in a dormant state, metabolomic analysis revealed an unexpected upregulation of energy production pathways in spheroids, accompanied by increased abundance of tricarboxylic acid (TCA) cycle and electron transport chain proteins. Tracing of 13C-labelled glucose and glutamine showed increased pyruvate carboxylation and decreased glutamine anaplerosis in spheroids. Increased reductive carboxylation suggests spheroids adjust redox homeostasis by shuttling cytosolic NADPH into mitochondria via isocitrate dehydrogenase. Indeed, we observed spheroids have increased respiratory capacity and mitochondrial ATP production. Relative to adherent cells, spheroids reduced serine consumption and metabolism, processes which were reversed upon spheroid re-adherence. The data reveal a distinct metabolism in EOC spheroids that enhances energy production by the mitochondria while maintaining a dormant state with respect to growth and proliferation. The findings advance our understanding of EOC metastasis and identify the TCA cycle and mitochondrional activity as novel targets to disrupt EOC metastasis, providing new approaches to treat advanced disease.
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Affiliation(s)
- Mallory I Frederick
- Department of Biochemistry, Schulich School of Medicine and Dentistry, Western University, London, ON N6A 5C1, Canada
| | - Mohamed Z Nassef
- Department of Bioinformatics and Biochemistry, Braunschweig Integrated Centre of Systems Biology (BRICS), Technische Universität Braunschweig, Braunschweig, Germany
| | - Matthew J Borrelli
- Department of Anatomy and Cell Biology, Schulich School of Medicine and Dentistry, Western University, London, ON N6A 5C1, Canada
| | - Siyun Kuang
- Department of Biochemistry, Schulich School of Medicine and Dentistry, Western University, London, ON N6A 5C1, Canada
| | - Adrian Buensuceso
- Department of Anatomy and Cell Biology, Schulich School of Medicine and Dentistry, Western University, London, ON N6A 5C1, Canada
| | - Tushar More
- Department of Bioinformatics and Biochemistry, Braunschweig Integrated Centre of Systems Biology (BRICS), Technische Universität Braunschweig, Braunschweig, Germany
| | - Thekla Cordes
- Department of Bioinformatics and Biochemistry, Braunschweig Integrated Centre of Systems Biology (BRICS), Technische Universität Braunschweig, Braunschweig, Germany
| | - Patrick O'Donoghue
- Department of Biochemistry, Schulich School of Medicine and Dentistry, Western University, London, ON N6A 5C1, Canada; Department of Chemistry, Western University, London, ON N6A 5C1, Canada
| | - Trevor G Shepherd
- Department of Anatomy and Cell Biology, Schulich School of Medicine and Dentistry, Western University, London, ON N6A 5C1, Canada; Department of Obstetrics & Gynaecology, Western University, London, ON N6A 5C1, Canada; London Regional Cancer Program, London Health Sciences Centre, London, ON N6A 5W9, Canada
| | - Karsten Hiller
- Department of Bioinformatics and Biochemistry, Braunschweig Integrated Centre of Systems Biology (BRICS), Technische Universität Braunschweig, Braunschweig, Germany.
| | - Ilka U Heinemann
- Department of Biochemistry, Schulich School of Medicine and Dentistry, Western University, London, ON N6A 5C1, Canada.
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Jose A, Kulkarni P, Thilakan J, Munisamy M, Malhotra AG, Singh J, Kumar A, Rangnekar VM, Arya N, Rao M. Integration of pan-omics technologies and three-dimensional in vitro tumor models: an approach toward drug discovery and precision medicine. Mol Cancer 2024; 23:50. [PMID: 38461268 PMCID: PMC10924370 DOI: 10.1186/s12943-023-01916-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2023] [Accepted: 12/15/2023] [Indexed: 03/11/2024] Open
Abstract
Despite advancements in treatment protocols, cancer is one of the leading cause of deaths worldwide. Therefore, there is a need to identify newer and personalized therapeutic targets along with screening technologies to combat cancer. With the advent of pan-omics technologies, such as genomics, transcriptomics, proteomics, metabolomics, and lipidomics, the scientific community has witnessed an improved molecular and metabolomic understanding of various diseases, including cancer. In addition, three-dimensional (3-D) disease models have been efficiently utilized for understanding disease pathophysiology and as screening tools in drug discovery. An integrated approach utilizing pan-omics technologies and 3-D in vitro tumor models has led to improved understanding of the intricate network encompassing various signalling pathways and molecular cross-talk in solid tumors. In the present review, we underscore the current trends in omics technologies and highlight their role in understanding genotypic-phenotypic co-relation in cancer with respect to 3-D in vitro tumor models. We further discuss the challenges associated with omics technologies and provide our outlook on the future applications of these technologies in drug discovery and precision medicine for improved management of cancer.
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Affiliation(s)
- Anmi Jose
- Department of Pharmacy Practice, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, 576104, India
| | - Pallavi Kulkarni
- Department of Biochemistry, All India Institute of Medical Sciences Bhopal, Bhopal, Madhya Pradesh, 462020, India
| | - Jaya Thilakan
- Department of Biochemistry, All India Institute of Medical Sciences Bhopal, Bhopal, Madhya Pradesh, 462020, India
| | - Murali Munisamy
- Department of Translational Medicine, All India Institute of Medical Sciences Bhopal, Bhopal, Madhya Pradesh, 462020, India
| | - Anvita Gupta Malhotra
- Department of Translational Medicine, All India Institute of Medical Sciences Bhopal, Bhopal, Madhya Pradesh, 462020, India
| | - Jitendra Singh
- Department of Translational Medicine, All India Institute of Medical Sciences Bhopal, Bhopal, Madhya Pradesh, 462020, India
| | - Ashok Kumar
- Department of Biochemistry, All India Institute of Medical Sciences Bhopal, Bhopal, Madhya Pradesh, 462020, India
| | - Vivek M Rangnekar
- Markey Cancer Center and Department of Radiation Medicine, University of Kentucky, Lexington, KY, 40536, USA
| | - Neha Arya
- Department of Translational Medicine, All India Institute of Medical Sciences Bhopal, Bhopal, Madhya Pradesh, 462020, India.
| | - Mahadev Rao
- Department of Pharmacy Practice, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, 576104, India.
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Bogdanov A, Verlov N, Bogdanov A, Burdakov V, Semiletov V, Egorenkov V, Volkov N, Moiseyenko V. Tumor alkalization therapy: misconception or good therapeutics perspective? - the case of malignant ascites. Front Oncol 2024; 14:1342802. [PMID: 38390269 PMCID: PMC10881708 DOI: 10.3389/fonc.2024.1342802] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2023] [Accepted: 01/24/2024] [Indexed: 02/24/2024] Open
Abstract
Tumor acidity has been identified as a key factor in promoting cancer progression, metastasis, and resistance. Tumor alkalization therapy has emerged as a potential strategy for cancer treatment. This article provides preclinical and clinical evidence for tumor alkalization therapy as a promising cancer treatment strategy. The potential of tumor alkalization therapy using sodium bicarbonate in the treatment of malignant ascites was studied. The concept of intraperitoneal perfusion with an alkalizing solution to increase the extracellular pH and its antitumor effect were explored. The significant extension in the overall survival of the Ehrlich ascites carcinoma mice treated with sodium bicarbonate solution compared to those treated with a sodium chloride solution was observed. In the sodium bicarbonate group, mice had a median survival of 30 days after tumor cell injection, which was significantly (p<0.05) different from the median survival of 18 days in the sodium chloride group and 14 days in the intact group. We also performed a case study of a patient with ovarian cancer malignant ascites resistant to previous lines of chemotherapy who underwent intraperitoneal perfusions with a sodium bicarbonate solution, resulting in a significant drop of CA-125 levels from 5600 U/mL to 2200 U/mL in and disappearance of ascites, indicating the potential effectiveness of the treatment. The preclinical and clinical results obtained using sodium bicarbonate perfusion in the treatment of malignant ascites represent a small yet significant contribution to the evolving field of tumor alkalization as a cancer therapy. They unequivocally affirm the good prospects of this concept.
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Affiliation(s)
- Alexey Bogdanov
- Napalkov Saint Petersburg Clinical Research and Practical Center of Specialized Types of Medical Care (Oncological), Saint Petersburg, Russia
| | - Nikolay Verlov
- Napalkov Saint Petersburg Clinical Research and Practical Center of Specialized Types of Medical Care (Oncological), Saint Petersburg, Russia
| | - Andrey Bogdanov
- Napalkov Saint Petersburg Clinical Research and Practical Center of Specialized Types of Medical Care (Oncological), Saint Petersburg, Russia
| | - Vladimir Burdakov
- Napalkov Saint Petersburg Clinical Research and Practical Center of Specialized Types of Medical Care (Oncological), Saint Petersburg, Russia
| | - Valeriy Semiletov
- Napalkov Saint Petersburg Clinical Research and Practical Center of Specialized Types of Medical Care (Oncological), Saint Petersburg, Russia
| | - Vitaliy Egorenkov
- Napalkov Saint Petersburg Clinical Research and Practical Center of Specialized Types of Medical Care (Oncological), Saint Petersburg, Russia
| | - Nikita Volkov
- Napalkov Saint Petersburg Clinical Research and Practical Center of Specialized Types of Medical Care (Oncological), Saint Petersburg, Russia
| | - Vladimir Moiseyenko
- Napalkov Saint Petersburg Clinical Research and Practical Center of Specialized Types of Medical Care (Oncological), Saint Petersburg, Russia
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Yang Q, Deng S, Preibsch H, Schade T, Koch A, Berezhnoy G, Zizmare L, Fischer A, Gückel B, Staebler A, Hartkopf AD, Pichler BJ, la Fougère C, Hahn M, Bonzheim I, Nikolaou K, Trautwein C. Image-guided metabolomics and transcriptomics reveal tumour heterogeneity in luminal A and B human breast cancer beyond glucose tracer uptake. Clin Transl Med 2024; 14:e1550. [PMID: 38332687 PMCID: PMC10853679 DOI: 10.1002/ctm2.1550] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Revised: 12/28/2023] [Accepted: 01/06/2024] [Indexed: 02/10/2024] Open
Abstract
BACKGROUND Breast cancer is a metabolically heterogeneous disease, and although the concept of heterogeneous cancer metabolism is known, its precise role in human breast cancer is yet to be fully elucidated. METHODS We investigated in an explorative approach a cohort of 42 primary mamma carcinoma patients with positron emission tomography/magnetic resonance imaging (PET/MR) prior to surgery, followed by histopathology and molecular diagnosis. From a subset of patients, which showed high metabolic heterogeneity based on tracer uptake and pathology classification, tumour centre and periphery specimen tissue samples were further investigated by a targeted breast cancer gene expression panel and quantitative metabolomics by nuclear magnetic resonance (NMR) spectroscopy. All data were analysed in a combinatory approach. RESULTS [18 F]FDG (2-deoxy-2-[fluorine-18]fluoro-d-glucose) tracer uptake confirmed dominance of glucose metabolism in the breast tumour centre, with lower levels in the periphery. Additionally, we observed differences in lipid and proliferation related genes between luminal A and B subtypes in the centre and periphery. Tumour periphery showed elevated acetate levels and enrichment in lipid metabolic pathways genes especially in luminal B. Furthermore, serine was increased in the periphery and higher expression of thymidylate synthase (TYMS) indicated one-carbon metabolism increased in tumour periphery. The overall metabolic activity based on [18 F]FDG uptake of luminal B subtype was higher than that of luminal A and the difference between the periphery and centre increased with tumour grade. CONCLUSION Our analysis indicates variations in metabolism among different breast cancer subtypes and sampling locations which details the heterogeneity of the breast tumours. Correlation analysis of [18 F]FDG tracer uptake, transcriptome and tumour metabolites like acetate and serine facilitate the search for new candidates for metabolic tracers and permit distinguishing luminal A and B. This knowledge may help to differentiate subtypes preclinically or to provide patients guide for neoadjuvant therapy and optimised surgical protocols based on individual tumour metabolism.
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Affiliation(s)
- Qianlu Yang
- Department of Preclinical Imaging and RadiopharmacyWerner Siemens Imaging CenterUniversity Hospital TuebingenTuebingenGermany
| | - Sisi Deng
- Department of Preclinical Imaging and RadiopharmacyWerner Siemens Imaging CenterUniversity Hospital TuebingenTuebingenGermany
- Cluster of Excellence iFIT (EXC 2180) “Image Guided and Functionally Instructed Tumor Therapies”University of TuebingenTuebingenGermany
| | - Heike Preibsch
- Department of Diagnostic and Interventional RadiologyUniversity Hospital TuebingenTuebingenGermany
| | - Tim‐Colin Schade
- Department of Pathology and NeuropathologyUniversity Hospital TuebingenTuebingenGermany
| | - André Koch
- Department of Women's HealthUniversity Hospital TuebingenTuebingenGermany
| | - Georgy Berezhnoy
- Department of Preclinical Imaging and RadiopharmacyWerner Siemens Imaging CenterUniversity Hospital TuebingenTuebingenGermany
| | - Laimdota Zizmare
- Department of Preclinical Imaging and RadiopharmacyWerner Siemens Imaging CenterUniversity Hospital TuebingenTuebingenGermany
- Cluster of Excellence iFIT (EXC 2180) “Image Guided and Functionally Instructed Tumor Therapies”University of TuebingenTuebingenGermany
| | - Anna Fischer
- Department of Pathology and NeuropathologyUniversity Hospital TuebingenTuebingenGermany
| | - Brigitte Gückel
- Cluster of Excellence iFIT (EXC 2180) “Image Guided and Functionally Instructed Tumor Therapies”University of TuebingenTuebingenGermany
- Department of Diagnostic and Interventional RadiologyUniversity Hospital TuebingenTuebingenGermany
| | - Annette Staebler
- Department of Pathology and NeuropathologyUniversity Hospital TuebingenTuebingenGermany
| | | | - Bernd J. Pichler
- Department of Preclinical Imaging and RadiopharmacyWerner Siemens Imaging CenterUniversity Hospital TuebingenTuebingenGermany
- Cluster of Excellence iFIT (EXC 2180) “Image Guided and Functionally Instructed Tumor Therapies”University of TuebingenTuebingenGermany
- German Cancer Research CenterGerman Cancer Consortium DKTKPartner Site TuebingenTuebingenGermany
| | - Christian la Fougère
- Cluster of Excellence iFIT (EXC 2180) “Image Guided and Functionally Instructed Tumor Therapies”University of TuebingenTuebingenGermany
- German Cancer Research CenterGerman Cancer Consortium DKTKPartner Site TuebingenTuebingenGermany
- Department of Nuclear Medicine and Clinical Molecular ImagingUniversity Hospital TuebingenTuebingenGermany
| | - Markus Hahn
- Department of Women's HealthUniversity Hospital TuebingenTuebingenGermany
| | - Irina Bonzheim
- Department of Pathology and NeuropathologyUniversity Hospital TuebingenTuebingenGermany
| | - Konstantin Nikolaou
- Cluster of Excellence iFIT (EXC 2180) “Image Guided and Functionally Instructed Tumor Therapies”University of TuebingenTuebingenGermany
- Department of Diagnostic and Interventional RadiologyUniversity Hospital TuebingenTuebingenGermany
- German Cancer Research CenterGerman Cancer Consortium DKTKPartner Site TuebingenTuebingenGermany
| | - Christoph Trautwein
- Department of Preclinical Imaging and RadiopharmacyWerner Siemens Imaging CenterUniversity Hospital TuebingenTuebingenGermany
- Cluster of Excellence iFIT (EXC 2180) “Image Guided and Functionally Instructed Tumor Therapies”University of TuebingenTuebingenGermany
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Hanse EA, Wang T, Tifrea D, Senthil M, Kim AC, Kong M, Eng OS. A Novel Assessment of Metabolic Pathways in Peritoneal Metastases from Low-Grade Appendiceal Mucinous Neoplasms. Ann Surg Oncol 2023; 30:5132-5141. [PMID: 37149550 DOI: 10.1245/s10434-023-13587-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Accepted: 04/19/2023] [Indexed: 05/08/2023]
Abstract
BACKGROUND There is a paucity of targeted therapies for patients with pseudomyxoma peritonei (PMP) secondary to low-grade appendiceal mucinous neoplasms (LAMNs). Dysregulated metabolism has emerged as a hallmark of cancer, and the relationship of metabolomics and cancer is an area of active scientific exploration. We sought to characterize phenotypic differences found in peritoneal metastases (PM) derived from LAMN versus adenocarcinoma. METHODS Tumors were washed with phosphate-buffered saline (PBS), microdissected, then dissociated in ice-cold methanol dried and reconstituted in pyridine. Samples were derivatized in tert-butyldimethylsilyl (TBDMS) and subjected to gas chromatography-coupled mass spectrometry. Metabolites were assessed based on a standard library. RNA sequencing was performed, with pathway and network analyses on differentially expressed genes. RESULTS Eight peritoneal tumor samples were obtained and analyzed: LAMNs (4), and moderate to poorly differentiated adenocarcinoma (colon [1], appendix [3]). Decreases in pyroglutamate, fumarate, and cysteine in PM from LAMNs were found compared with adenocarcinoma. Analyses showed the differential gene expression was dominated by the prevalence of metabolic pathways, particularly lipid metabolism. The gene retinol saturase (RETSAT), downregulated by LAMN, was involved in the multiple metabolic pathways that involve lipids. Using network mapping, we found IL1B signaling to be a potential top-level modulation candidate. CONCLUSIONS Distinct metabolic signatures may exist for PM from LAMN versus adenocarcinoma. A multitude of genes are differentially regulated, many of which are involved in metabolic pathways. Additional research is needed to identify the significance and applicability of targeting metabolic pathways in the potential development of novel therapeutics for these challenging tumors.
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Affiliation(s)
- Eric A Hanse
- Department of Molecular Biology and Biochemistry, University of California, Irvine, Irvine, CA, USA
| | - Tianhong Wang
- Department of Molecular Biology and Biochemistry, University of California, Irvine, Irvine, CA, USA
| | - Delia Tifrea
- Department of Pathology and Laboratory Medicine, University of California, Irvine, Orange, CA, USA
| | - Maheswari Senthil
- Department of Surgery, Division of Surgical Oncology, University of California, Irvine, Orange, CA, USA
| | - Alex C Kim
- Department of Surgery, Division of Surgical Oncology, Ohio State University, Columbus, OH, USA
| | - Mei Kong
- Department of Molecular Biology and Biochemistry, University of California, Irvine, Irvine, CA, USA
| | - Oliver S Eng
- Department of Surgery, Division of Surgical Oncology, University of California, Irvine, Orange, CA, USA.
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